Looking at the poster of Ms. Subways makes me think that using “Subways” instead of “Subway” is a little long in the tooth – almost nobody even remembers that there used to be IRT, BMT and IND.
worth a read
Mars For The Rest of Us — a weekly-or-more deep dive on the technical side of Mars exploration: rocket propulsion, microbiology, mission architecture, and everything in between. Written by Maciej Ceglowski.
Read it on Substack →